Home / 21,060,202.50-31,590,303.75-5,103,850.50

Finding the Fourth Proportional to 21,060,202.50, 31,590,303.75 and 5,103,850.50

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Solution

The fourth proportional to 21,060,202.50, 31,590,303.75 and 5,103,850.50 is: 7,655,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,202.50 : 31,590,303.75 = 5,103,850.50 : x
  2. Step 2: Convert to fraction form
    21,060,202.50/31,590,303.75 = 5,103,850.50/x
  3. Step 3: Cross multiply
    21,060,202.50x = 31,590,303.75 × 5,103,850.50
  4. Step 4: Simplify right side
    21,060,202.50x = 161,232,187,589,589.38
  5. Step 5: Solve for x
    x = 161,232,187,589,589.38/21,060,202.50
  6. Step 6: Final answer
    x = 7,655,775.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.